A357520 Expansion of Product_{k>=0} (1 - x^Lucas(k)).

1, -1, -1, 0, 0, 2, 0, -1, 0, 0, 1, -1, -1, 1, 0, 1, -1, -1, 0, 1, 1, -1, 0, 0, 0, 1, -1, -1, 0, 0, 2, 0, 0, -1, -1, 1, 0, 0, 0, 0, 1, -1, -1, 0, 0, 2, 0, -1, 0, 0, 1, 0, -2, 0, 0, 1, 1, -1, 0, 0, 0, 0, 0, 0, 0, 1, -1, -1, 0, 0, 2, 0, -1, 0, 0, 1, -1, -1, 1, 0, 1, -1, -1, 1, 0, 0, -1, 0, 2, 0, 0, -1, -1, 1

Offset: 0

Author

Ilya Gutkovskiy, Oct 02 2022

Keywords

• sign

Comments

Convolution inverse of A067593.

Crossrefs

Cf. A000032, A067593, A093996, A357380, A357382.

Programs

Mathematica

nmax = 100; CoefficientList[Series[Product[(1 - x^LucasL[k]), {k, 0, 20}], {x, 0, nmax}], x]